Statistics of Infectious Disease

The following statistics are the latest available from the National Center for Health Statistics (part of the Centers for Disease Control and Prevention, CDC) and the National Foundation of Infectious Diseases:

  • In 2007, the CDC estimates that 25,000 new cases of hepatitis A occurred in the U.S.
  • In the U.S., it is estimated that 800,000 to 1.4 million people have chronic hepatitis B infections. In 2007, it was estimated that 43,000 new cases were diagnosed in the U.S.
  • In the U.S., it is estimated that 4 million people have chronic hepatitis C infections. In 2007, it was estimated that 17,000 new cases occurred in the United States.
  • Tuberculosis has infected one-third of the world's population. In 2009, nearly 13,000 new cases were reported in the U.S.
  • About 53,000 people per year in the U.S. die from influenza and pneumonia.
  • According to the National Institute of Allergy and Infectious Diseases, 56,300 new cases of HIV infections occur annually in the U.S., and there are nearly 33 million people living with HIV in the world.
  • Before the chickenpox vaccine was introduced in 1995, there were about 4 million new cases of chickenpox annually. With vaccination, the frequency of new cases has decreased in all age groups, especially in children ages 1 to 4 years.
  • Even though the measles vaccine is now available, in 2008 there were 16 new cases of German measles (rubella) and 140 cases of measles (rubeola) in the U.S.
  • The number of new cases of sexually transmitted diseases reported in the U.S. in 2007 include:
    • Syphilis (primary and secondary): more than 11,000
    • Chlamydia: 1,108,000
    • Gonorrhea: 356,000
  • Whooping cough affects from 5,000 to 7,000 people in the U.S. annually. In 2007, about 17,000 new cases were reported to the CDC, including 14 deaths nationally. Initial 2010 data show more than 21,000 cases and 26 deaths -- 22 of them in children less than 1 year of age.

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